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  1. georgeshm

    Part Numbering + Database Question

    Adding to the intelligence. When a part number is complex, I would agree give it a random part number. However when the part number is simple and straightforward, Make the part number simple for a bolt. Ex: Make the part number literally: SHCS 0.25-20 x 2.0 or SHCS 1/4-20 x 2.0 or whatever...
  2. georgeshm

    Part Numbering + Database Question

    This is an old item. At one time I would have agreed with keeping the part numbers dumb. However, I totally disagree with the concept now. Some very basic intelligence in a part number is more than worthwhile. I attended a SW's seminar and they had a guy come in and preach on non-intelligent...
  3. georgeshm

    Hole reduction for a press fit

    Thank you all for your comments. I used the thick wall cylinder calculation. It worked well. (the Bushing Od should have read 12.039-12.028 mm od) Answer: Mean Interference = 0.024 mm Pressure 70 MPa. Inner hole reduction = 0.0056mm
  4. georgeshm

    Hole reduction for a press fit

    For a standard Carr lane press fit bushing, What is the reduction in diameter in the bushing id after press fitting? I have seen several answers and now I am not exactly sure. To simplify the question. Press fit hole -12.000- 12.019 mm Bushing 12.039-13.038 mm od Bushing 1144 stress proof...
  5. georgeshm

    Which 3-D Cad Software is Best?

    Quick Answer: Solidworks. I worked 2 years on Pro-E and changed companies. They had Pro-E and subsequently CHANGED to Solidworks. Solidworks has PDM Works for product data management. It is windows compatible. I saw a demo on Pro-E Wildfire earlier this year. The demo I saw (which wasn't ready...
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